Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Ecotoxicological information

Endpoint summary

Administrative data

Description of key information

Additional information

Data for the short-term aquatic toxicity of 2-Hydroxycyclohepta-2,4,6-trienone (CAS 533-75-5) is available for two trophic levels (aquatic invertebrates and algae). Data for the long-term aquatic toxicity of the substance is available for aquatic algae. The most sensitive acute and chronic effect concentrations were obtained for aquatic algae, with an ErC50 (72 h) of 0.114 mg/L and an ErC10 (72 h) of 0.0708 mg/L (geometric mean measured).